20307456

素因数分解:

$2^9\times 3^3\times {\mathrm{13}}^1\times {\mathrm{113}}^1$

素因数の和:153

約数の個数: 160

約数和(自身を含む): 65308320

約数和(自身を除く): 45000864

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 64, 72, 78, 96, 104, 108, 113, 117, 128, 144, 156, 192, 208, 216, 226, 234, 256, 288, 312, 339, 351, 384, 416, 432, 452, 468, 512, 576, 624, 678, 702, 768, 832, 864, 904, 936, 1017, 1152, 1248, 1356, 1404, 1469, 1536, 1664, 1728, 1808, 1872, 2034, 2304, 2496, 2712, 2808, 2938, 3051, 3328, 3456, 3616, 3744, 4068, 4407, 4608, 4992, 5424, 5616, 5876, 6102, 6656, 6912, 7232, 7488, 8136, 8814, 9984, 10848, 11232, 11752, 12204, 13221, 13824, 14464, 14976, 16272, 17628, 19968, 21696, 22464, 23504, 24408, 26442, 28928, 29952, 32544, 35256, 39663, 43392, 44928, 47008, 48816, 52884, 57856, 59904, 65088, 70512, 79326, 86784, 89856, 94016, 97632, 105768, 130176, 141024, 158652, 173568, 179712, 188032, 195264, 211536, 260352, 282048, 317304, 376064, 390528, 423072, 520704, 564096, 634608, 752128, 781056, 846144, 1128192, 1269216, 1562112, 1692288, 2256384, 2538432, 3384576, 5076864, 6769152, 10153728, 20307456]

約数ペア:

[(1, 20307456), (2, 10153728), (3, 6769152), (4, 5076864), (6, 3384576), (8, 2538432), (9, 2256384), (12, 1692288), (13, 1562112), (16, 1269216), (18, 1128192), (24, 846144), (26, 781056), (27, 752128), (32, 634608), (36, 564096), (39, 520704), (48, 423072), (52, 390528), (54, 376064), (64, 317304), (72, 282048), (78, 260352), (96, 211536), (104, 195264), (108, 188032), (113, 179712), (117, 173568), (128, 158652), (144, 141024), (156, 130176), (192, 105768), (208, 97632), (216, 94016), (226, 89856), (234, 86784), (256, 79326), (288, 70512), (312, 65088), (339, 59904), (351, 57856), (384, 52884), (416, 48816), (432, 47008), (452, 44928), (468, 43392), (512, 39663), (576, 35256), (624, 32544), (678, 29952), (702, 28928), (768, 26442), (832, 24408), (864, 23504), (904, 22464), (936, 21696), (1017, 19968), (1152, 17628), (1248, 16272), (1356, 14976), (1404, 14464), (1469, 13824), (1536, 13221), (1664, 12204), (1728, 11752), (1808, 11232), (1872, 10848), (2034, 9984), (2304, 8814), (2496, 8136), (2712, 7488), (2808, 7232), (2938, 6912), (3051, 6656), (3328, 6102), (3456, 5876), (3616, 5616), (3744, 5424), (4068, 4992), (4407, 4608)]